Corrugating machine



May 12, 1925. 1,537,469

Li JOHNSON ET AL CORRUGATING CHINE Filed May 25. 1923 4 Sheets-Sheet 1 I R, INVEN 0R3 jam:

May 12, 1925. v 1,537,469

' L.'.JOHNSON ET AL v cdknuemme mcnmn Filed Ma 25. 1923' 4 Sheets-Sheet :5

%m iNVEIIN TORS Patented May 12, 1925.

UNITED STA-TES- 1,537,469 PATENT" OFFICE.

LANE JOHNSON, OF INGRAM, AND RICHARD W. MOSES, O'F PITTSBURGH, PENNSYL- VANIA, ASSIGNORS TO UNITED ENGINEERING AND FOUNDRY COMPANY, OF PITTS- BURGH, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

CORRUGATING MACHINE.

Application filed May 25, 1923. Serial No. 641,404.

1 '0 all whom it may concern:

Be it known that we, LANE J OHNSON and RICHARD W. Mosns, citizens of the United States, residing at Ingram and Pittsburgh,

respectively, county of Allegheny, and State of Pennsylvania, have invented a new and useful Improvement in Corrugating Ma-' is only a fraction of the circumferential length of the corrugating rolls, it being desirable to use rolls of relatively large diameters. The output of a corrugating mechanism of this character is therefore considerably less than the capacity of the corrugating rolls. By the present invention, we have provided a corrugating machine having means for feeding a plurality of sheets in succession to the corrugating rolls during each revolution thereof, thereby providing a machine having a materially greater output than machines of this character as heretofore constructed. Another feature of the invention is the provision of an open-backed roll housing for facilitating the removal of the rolls therefrom.

shown, for purposes of illustration only, one embodiment of the present invention, it being understood that the drawings do not define the limits of the invention, as changes may be made in the construction and operation therein disclosed without departing from the spirit of the invention or scope of our broader claims. In the drawings:

Figure 1 is a front elevation of the corrugating machine,

Fig. 2 is an end elevation of the machine,

Fig. 3 is a vertical sectional view taken on the line III-III of Fig. 1,

Fig. 4 is a detail view of a portion of the feeding mechanism,

Fig. 5 is a sectional view taken on the line VV of Fig. 4, I

gig. 6 is a plan view of the; feed table, an

Fig. is a sectional View of a portion of a corrugated sheet. I

Referring to the drawings, the reference character A designates a housing which is open at its back except for a pair of vertical bolts 2, each ofwhich is pivoted at its lower end to the base of the housing A by means of a pivot pin 3 extending through an eye 4 formed on the lower end of the bolt. The bolts 2 form one side of the windows in the end frames of the housing and in which are arranged the bearing blocks 5 of a pair of corrugating rolls 6 and 7. The rolls are maintained the desired distance apartby adjustable wedges 8. Each of the bearing blocks of the upper roll 6 is engaged by a screw 9 operated by a handle 10 and provided with a lock nut 10, said screws preventing separation of the corrugating rolls.

' The rolls are driven in unison by 'a motor 11 mounted on top of the housing A, said motor having a gear 12 on the shaft there of meshing with a gear 13 on a horizontal shaft 14. The shaft 14 has a bevel gear 15 on each end thereo-f meshing with similar bevel gears 16 on the upper ends of vertically extending worm shafts 17 and 18. The worm shaft 17 has a worm 1,9 in driving engagement with a worm wheel 20 mounted upon one end of the upper roll .6,

- and the worm shaft 18 has a'worm 21 in In the accompanying drawings, there is.

driving engagement with a worm wheel (not shown) on the oppositeend of the lower roll 7. p

' With the construction above described, when it is desired to remove one of the rolls from the housing, it is merely necessary to loosen the nuts 22 on the screw-threaded upper ends. of the bolts 2 and swing the I latter downwardly and outwardly, and then place a skid in position to receive the roll and rollsaid roll bodily from the housing.

For feeding sheets to the'rolls in the desired relation, thereis provided a feeding mechanism comprising an inclined feed table 23 supported in front of the rolls by means of suitable braces 24 rigidly secured atone end to the base of the housing A, and

at the other end to the under side of the table adjacent the front thereof. The table 23 has downwardly directed flanges 25 and 26 along the front and rear edges thereof.

Entendingthrough these flanges and supa i t ere y a a i u t 97 ara e guide rods 27, Whichextend at rlg-ht angles to the axis of the corrugating rolls, and

parallel to and spaced slightly from the, under side of the table 23. Each guide rod 27 has a reduced threaded end 28 extending through an opening in the flange 26 and a nut 29 on said screw-threaded end for clamping said flange between said nut *and the shoulder onthe rod at the base of the screw-threaded end thereof, whereby. said rods are held rigidly in position. Slidably mounted upon eachguide rod 27 is a block 30 extending through and arranged to reciprocate in an elongated slot 31 in the table 23. The upper surfaces of the blocks 30' are substantially flush with but slightly above the upper surface of the in- (jlii ied table 23,- and a narrow plate or bar '32 is fastened upon said upper surfaces of said blocks by screws 33,said plate or bar extending longitudinally of the table 23 and parallel to theaxes of the rolls; -A

' plurality of curvedvgu'ide fingers 34 are secured to the flange25 and extend upwardly and over the front portion of the table toguide the sheets delivered to the table, so that said'sheets will drop upon the table in front of the plate or bar 32 when the latter inthe retracted position shown in the drawings. I

Mean 's prov ided for reciprocating'the bar 32 and comprises a gear 35 mounted on oneeiidof the lower roll 7, and

iiishing'with apinion 36suitably supported in the housing A. A rock-shaft 37 is jour- "nale'din the base of the housing A and extends parallel to the ages "of the rolls. The rock-shaft 37 has secured to one end thereof a rocker-arm connected a link 39 with crank-arm L0 actuated bythe pinion 36. Certa in'of the blocks 30 have a pair of integral spaced arms'tl" extending down weirdly therefrom and having a" 4:2 jour naled therein, said arms straddling the end of having saidpin 7 extending therethrotigh' Each link 43' is pivotally connectedat itsopposite end to the end ofv a iocker-arin 4% carried by the rock-shaft 37-. -Eachlink 43 is made in two parts, one part being of channel form and having'an elongated slot 45 therein, through which bolts 46, carried by theotherpa'rt, extend for ola-mpiiig the parts together in adjusted position, The adjustable links 43 afford means whereby to slightly advance or re-' tard the time of entering of the leading edge of each sheet between the bite of the rolls to thereby insure the commencement of the corrugating action always at the proper point; H

The ratio between the gear 35 and pinion 36 is such as to cause the reciprocation of the bar 32 a pluralityof times during each.

revolution of the corrugating ous. With this construction, therefore, ispossible to corrugate a plurality of sheets for each revolution. of the rolls. For example, assuming a roll diameter of two feet and a sheet width of twenty-four inches, three sheets could be corrugated per revolution of the rolls. -It will be apparent that the drivingconnections disclosed between the lower roll and the reciprocating bar 32 enable said bar to be actuated in timed relation to the operation of the rolls, whereby. the sheets may be delivered to the rolls a the proper speed; and th'eleading edge of each sheet entered between the bite of the rolls at exactly the ro er time;

The advantagesof the present inventionarise from thep'rovision in combination with corrugating rolls of means forauton'iati'cally feeding a plurality of sheets to the rolls during each revolution of the latter, andrfro'in the provision of an opens material, a pair ofcorrugat-ing rolls, means for driving said rolls, and automatic-means for feeding sheets to; said rolls, comprising a. stationary feed table'for supporting the sheets while being advanced to the rolls, means movable above said table for engaging each sheet advancing the. same on said table to said rolls, and means operated by one of said rolls foractuating said iiiovable means, substantially as described.

K 3. In apparatus for corrug ating sheet material, apair ofcorrugating rolls, means for driving said rolls, and automatic means for feeding sheets to said rolls, comprising a stationary feed table for supporting the sheets while being advancedto thejrolls, a

bar extending longitudinally of said table above the same for engaging and moving each sheet on said table towards said, rolls, and means actuated by one of said rolls for reciprocating said bar over'saidftable, substantially as described.

4. In apparatus for corrugating sheet material a pair of corrugating rolls, means for driving said rolls and automatic means for feeding sheets to said rolls, comprising a feed table, a bar extending longitudinally of said table above the same for engaging and moving each sheet towards said rolls, guide rods arranged beneath said table, means carried by said bar and slidably engaging said guide rods, said means extending through slots in said table, and means connected to said bar for reciprocating the same over said table, substantially as described.

5. In apparatus for corrugating sheet material, a pair of corrugating rolls, means for driving said rolls, and automatic means for feeding sheets to said rolls, comprising a feed table, a bar extending longitudinally of said table above the same for engaging and moving each sheet towards said rolls, guide rods arranged beneath said table, means carried by said bar and slidablyengaging said guide rods, said means extending through slots in said table, a rock-shaft, driving connections between said rock-shaft tially as described.

6. In apparatus for corrugating sheet material, a pair of corrugating rolls, means for driving said rolls, and automatic means for feeding sheets to said rolls, comprising a feed table, a bar extending longitudinally of said table above the same for engaging and moving each sheet towards" said rolls, guide rods arranged beneath said table, means carried by said bar and slidably engaging said guide rods, said means extending through slots in said table, a rock-shaft, driving connections between said rock-shaft and one of said rolls, and adjustable means connecting said rock-shaft to said bar, whereby to reciprocate said bar above said table, substantially as described.

In testimony whereof we have hereunto set our hands.

LANE JOHNSON. RICHARD W. MOSES. 

